Home / 38,481.60-57,742.37-29,118.81

Finding the Fourth Proportional to 38,481.60, 57,742.37 and 29,118.81

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Solution

The fourth proportional to 38,481.60, 57,742.37 and 29,118.81 is: 43,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.60 : 57,742.37 = 29,118.81 : x
  2. Step 2: Convert to fraction form
    38,481.60/57,742.37 = 29,118.81/x
  3. Step 3: Cross multiply
    38,481.60x = 57,742.37 × 29,118.81
  4. Step 4: Simplify right side
    38,481.60x = 1,681,388,955.39
  5. Step 5: Solve for x
    x = 1,681,388,955.39/38,481.60
  6. Step 6: Final answer
    x = 43,693.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.